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Table 1

John Dalton :)

• Nationality: Greek
• Name of model:John Chadwick model
• Year of discovery: 1808
• Description of discovery: John Dalton discovered all elements were composed of tiny particles called atoms.

Niels Bohr :)

• Nationality: Danish
• Name of model: Bohr Model
• Year of discovery: 1913
• Description: Bohr evolvedRutherford’s theory into a more detailed one. He discovered each ‘shell’ around the nucleus could hold a certain amount of electrons

Sources:
wikipedia.com
gogster.com
allperiodictables.com
answers.com

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Democritus

Nationality: Greek
Name of Model: No name.
Year of Discovery: 6th century.
Description:Democritus' theory was that no matter how much you broke something up it still has matter, even if we cannot see it.

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Table 3

Edward Frankland(:

absoluteastronomy.com bing.com

• nationality: Landcaster, England
• name of model: valence electrons
• approximate year of discovery: 1868
• Description: In, 1868 they noticed, in the solar spectrum, a bright yellow line.
• valence electron model

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James Chadwick s

Table 4
James Chadwick was born in October20th, 1891 and died July24, 1974.

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Table 5
J.J. Thomson

• Nationality: Cheetham Hill, Manchester, England
• Name of Model: The Plum Pudding Model
• Year of discovery: He discovered the model in 1904
• Description: He created the Plum Pudding Model, and it helped people figure out what the electron is.

Erwin Schrodinger




Nationality: Australian

Name of Model: The Atomic Model

Approximate Year of Discovery: 1910

Short Description of Discovery: In 1910 Erwin created The Atomic Model and was discovered the year after. In 1919 he received the Nobel Prize in physics.

Diagram of the Atom Model:




Websites: http://www.nobelprize.org/nobel_prizes/physics/laureates/1933/schrodinger-bio.html

http://www.green-planet-solar-energy.com/electron-arrangement.html